26598641 has 2 divisors, whose sum is σ = 26598642. Its totient is φ = 26598640.

The previous prime is 26598631. The next prime is 26598643. The reversal of 26598641 is 14689562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25715041 + 883600 = 5071^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 26598641 - 2¹⁰ = 26597617 is a prime.

Together with 26598643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26598643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13299320 + 13299321.

It is an arithmetic number, because the mean of its divisors is an integer number (13299321).

Almost surely, 2^26598641 is an apocalyptic number.

It is an amenable number.

26598641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26598641 is an equidigital number, since it uses as much as digits as its factorization.

26598641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 26598641 is about 5157.3870322092. The cubic root of 26598641 is about 298.5060579919.

The spelling of 26598641 in words is "twenty-six million, five hundred ninety-eight thousand, six hundred forty-one".